* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
    color: #0f172a;
    background: linear-gradient(#ecfeff, #fff)
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 16px
}

.nav {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(8px);
    background: rgba(255, 255, 255, .75);
    border-bottom: 1px solid rgba(255, 255, 255, .6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px
}

.brand {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: #0f172a;
    font-weight: 700
}

.logo {
    width: 28px;
    height: 28px
}

.menu {
    display: flex;
    gap: 16px;
    align-items: center
}

.menu a {
    color: #334155;
    text-decoration: none
}

.menu a:hover {
    color: #0f172a
}

.menu .cta {
    background: #0891b2;
    color: #fff;
    padding: 8px 12px;
    border-radius: 12px
}

.menu-btn {
    display: none;
    border: 0;
    background: transparent;
    font-size: 20px
}

@media (max-width:760px) {
    .menu {
        display: none;
        position: absolute;
        right: 16px;
        top: 56px;
        background: rgba(255, 255, 255, .95);
        backdrop-filter: blur(6px);
        border: 1px solid rgba(255, 255, 255, .7);
        border-radius: 12px;
        padding: 8px;
        flex-direction: column;
        min-width: 180px
    }

    .menu-btn {
        display: block
    }
}

.hero {
    padding: 64px 0 24px;
    position: relative
}

.hero .container {
    position: relative
}

.hero h1 {
    font-size: clamp(28px, 4vw, 44px);
    margin: 0 0 8px
}

.hero p {
    color: #475569;
    max-width: 680px
}

.actions {
    display: flex;
    gap: 8px;
    margin: 16px 0
}

.button {
    display: inline-block;
    padding: 10px 14px;
    border-radius: 12px;
    border: 1px solid #cbd5e1;
    color: #0f172a;
    text-decoration: none
}

.button.primary {
    background: #0891b2;
    border-color: #0891b2;
    color: #fff
}

.button.primary.outline {
    background: #fff;
    color: #0891b2;
    border-color: #0891b2
}

.badges {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    margin-top: 12px
}

@media (min-width:640px) {
    .badges {
        grid-template-columns: repeat(3, 1fr)
    }
}

.card {
    background: rgba(255, 255, 255, .85);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, .7);
    border-radius: 16px;
    padding: 12px
}

.section {
    padding: 56px 0
}

.section.alt {
    background: #f8fafc
}

.section h2 {
    font-size: clamp(22px, 3vw, 32px);
    margin: 0 0 4px
}

.muted {
    color: #64748b
}

.grid {
    display: grid;
    gap: 12px;
    margin-top: 16px
}

.grid.two {
    grid-template-columns: 1fr
}

@media (min-width:760px) {
    .grid.two {
        grid-template-columns: 1fr 1fr
    }
}

.cards-3 {
    grid-template-columns: 1fr
}

@media (min-width:900px) {
    .cards-3 {
        grid-template-columns: repeat(3, 1fr)
    }
}

.ph {
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, #a5f3fc, #67e8f9);
    border-radius: 12px;
    margin-bottom: 8px
}

.price {
    font-size: 24px;
    font-weight: 800;
    color: #0e7490;
    margin: 6px 0
}

.highlight {
    outline: 2px solid #06b6d4;
    position: relative
}

.ribbon {
    position: absolute;
    top: -10px;
    right: 12px;
    background: #0891b2;
    color: #fff;
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 999px
}

.info {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 6px
}

label {
    display: block;
    font-size: 14px;
    color: #334155;
    margin: 8px 0 0
}

input,
textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    background: #fff
}

textarea {
    height: 120px;
    resize: vertical
}

.footer {
    border-top: 1px solid rgba(255, 255, 255, .6);
    background: rgba(255, 255, 255, .7);
    padding: 16px 0;
    text-align: center
}



.grid.cards-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    padding: 20px 0;
    justify-items: center;

}


.grid.cards-3 .card {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    text-align: center;
    padding: 15px;
    transition: transform 0.3s ease;
    max-width: 320px;
    width: 100%;

    margin: 0 auto;
}

.grid.cards-3 .card img {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    border-radius: 8px;
    margin-bottom: 12px;
}

.grid.cards-3 .card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.grid.cards-3 .card b {
    font-size: 1.1rem;
    display: block;
    color: #222;
}




@media (max-width: 1024px) {
    .grid.cards-3 {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 18px;
    }

    .grid.cards-3 .card {
        max-width: 280px;
    }

    .grid.cards-3 .card img {
        max-height: 350px;
    }
}


@media (max-width: 600px) {
    .grid.cards-3 {
        grid-template-columns: 1fr;
        /* 1 kolom penuh */
        padding: 0 16px;
    }

    .grid.cards-3 .card {
        max-width: 100%;
    }

    .grid.cards-3 .card img {
        max-height: 300px;
    }
}

.package {
    padding: 28px 24px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    border-radius: 16px;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.07);
    background: #fff;
    margin-bottom: 20px;
}

.package:hover {
    transform: translateY(-10px);
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.12);
}

.price {
    font-size: 28px;
    color: #0e7490;
    font-weight: 900;
    margin: 16px 0;
}

.info {
    padding-left: 0;
    margin-bottom: 24px;
    list-style: none;
    text-align: left;
}

.info li {
    margin-bottom: 12px;
    font-size: 1rem;
    color: #334155;
    position: relative;
    padding-left: 24px;
}

.info li::before {
    content: '✔';
    position: absolute;
    left: 0;
    color: #06b6d4;
    font-weight: bold;
}

.featured {
    border: 3px solid #06b6d4;
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.3);
    background: #e0f7fa;
}

.highlight {
    position: relative;
    z-index: 2;
}

.ribbon {
    position: absolute;
    top: -12px;
    right: -12px;
    background: #06b6d4;
    color: white;
    font-size: 12px;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 0 12px 12px 0;
    box-shadow: 0 3px 5px rgba(0, 0, 0, 0.15);
    z-index: 3;
}

.button.primary {
    background-color: #06b6d4;
    border-color: #06b6d4;
    color: #fff;
    transition: background-color 0.3s;
}

.button.primary:hover {
    background-color: #0284c7;
    border-color: #0284c7;
    cursor: pointer;
}

.button {
    border-radius: 24px;
    padding: 12px 32px;
    font-weight: 600;
    border: 2px solid #06b6d4;
    background: transparent;
    color: #06b6d4;
    transition: background-color 0.3s, color 0.3s;
    cursor: pointer;
}

.button:hover {
    background-color: #06b6d4;
    color: white;
}


@media (max-width: 900px) {
    .cards-3 {
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (min-width: 900px) {
    .cards-3 {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
}.subtitle {
    font-size: 1.1rem;
    color: #475569;
    margin-top: 8px;
    margin-bottom: 16px;
    max-width: 650px;
    line-height: 1.5;
  }
  
  .explanation {
    font-size: 1rem;
    color: #334155;
    max-width: 650px;
    margin-bottom: 24px;
    line-height: 1.6;
  }
  
  .package ul.info li {
    list-style: none;
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
  }
  .package ul.info li::before {
    content: "✔";
    color: #14b8a6; 
    position: absolute;
    left: 0;
    top: 0;
    font-weight: bold;
  }